<Router AppAssembly="@typeof(App).Assembly">
    <Found Context="routeData">
        <RouteView RouteData="@routeData" />
        <FocusOnNavigate RouteData="@routeData" Selector="h1" />
    </Found>
    <NotFound>
        <PageTitle>Not found</PageTitle>
        <div class="page">
            <main>
                <article class="content px-4">
                    <p role="alert">Sorry, there's nothing at this address.</p>
                </article>
            </main>
        </div>
    </NotFound>
</Router>
